Brushless motor

Electrical generator or motor structure – Dynamoelectric – Rotary

Reexamination Certificate

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Reexamination Certificate

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08049382

ABSTRACT:
A Hall element is placed under an outside rotor at an identical angular position to a centerline between two adjacent outer teeth. This structure allows narrowing a dead band of the Hall element when it senses a leakage magnetic flux.

REFERENCES:
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patent: 7701107 (2010-04-01), Sagara et al.
patent: 2004/0061470 (2004-04-01), Ito et al.
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patent: 10-174407 (1998-06-01), None
patent: 10-271782 (1998-10-01), None
patent: 10-271782 (1998-10-01), None
patent: 2004-064850 (2004-02-01), None
patent: 2004-120933 (2004-04-01), None
patent: 2004-120933 (2004-04-01), None
patent: 2005-110403 (2005-04-01), None
patent: 2006-014521 (2006-01-01), None
International Search Report for International Application No. PCT/JP2007/058930, filed Jul. 17, 2007, Panasonic Corportation.
JP Office Action for 2008-514431, filed May 24, 2011.

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